Home / 71,206.86-106,902.63-47,665.02

Finding the Fourth Proportional to 71,206.86, 106,902.63 and 47,665.02

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Solution

The fourth proportional to 71,206.86, 106,902.63 and 47,665.02 is: 71,559.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,206.86 : 106,902.63 = 47,665.02 : x
  2. Step 2: Convert to fraction form
    71,206.86/106,902.63 = 47,665.02/x
  3. Step 3: Cross multiply
    71,206.86x = 106,902.63 × 47,665.02
  4. Step 4: Simplify right side
    71,206.86x = 5,095,515,997.00
  5. Step 5: Solve for x
    x = 5,095,515,997.00/71,206.86
  6. Step 6: Final answer
    x = 71,559.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.